Lembu Rock is a reef site located in the Perhentian Islands, Malaysia, identifiable by a large rock formation jutting from the water. Accessible only by boat, the site features depths ranging from 5 to 25 metres, with an average depth of 18 metres. Divers and snorkellers can expect mild currents and visibility between 5 and 20 metres. The site is suitable for intermediate divers, with typical dives lasting around 50 minutes. Guided tours are available to assist with navigation. Due to the depth and potential for low visibility, divers should maintain appropriate safety protocols while exploring the reef structure.

Kaca Sunken Wrecks is a boat-accessible dive site located off the Perhentian Islands. The site features sunken wrecks and reef structures that provide shelter for reef fish and invertebrates. Divers can expect mild currents and water temperatures ranging from 29 to 31 degrees Celsius. Visibility at the site typically ranges between 5 and 10 metres. Due to the shallow, forgiving conditions, this location is suitable for beginner divers. When approaching the entry point, exercise caution regarding surf and shore break. Divers should also take care to avoid entanglement when navigating through dense kelp forest structures present at the site.

Pulau Kaca is a marine site located within the Pulau Payar Marine Park, featuring artificial reefs constructed from sunken fishing boats. These wrecks serve as the primary structure for the site, which has developed into a coral garden. Divers typically encounter depths between 15 and 18 metres, with an average depth of 15 metres. Access is by boat only, as the site is situated 35 kilometres from the shore. Conditions include mild currents and visibility ranging from 5 to 20 metres. Water temperatures generally sit between 29 and 31 degrees Celsius, though thermoclines can cause significant drops. Hazards include entanglement, jellyfish, sea urchins, sharp coral, and stonefish.

House Reef at the Perhentian Islands is a shore-entry site suitable for beginners. The reef features depths ranging from 5 to 15 metres with an average of 15 metres. Divers encounter mild currents and visibility typically between 4 and 10 metres. Water temperatures remain consistent throughout the year, ranging from 29 to 31 degrees Celsius. Species recorded around this area include wrasses, rabbitfish, and various crustaceans such as crabs. The site provides a straightforward environment for those looking to explore reef topography in a protected setting.

Coral Garden is a reef site located off the Perhentian Islands, accessible only by boat. The topography features steep canyons and crevices that descend to a maximum depth of 18 metres, with an average depth of 15 metres. Conditions are generally mild, though visibility fluctuates between 5 and 20 metres. The site is suitable for beginners and offers typical dive times of 40 minutes. Species recorded around this area include wrasses, giant moray, rabbitfish, and various nudibranchs. Divers should be aware of lionfish present in the area. Facilities at the site include showers.

Grouper Farm is a reef site located in the Perhentian Islands, Malaysia, accessible only by boat. The site features hard corals and reaches depths between 5 and 15 metres, with an average depth of 10 metres. Conditions are generally warm, with water temperatures ranging from 29C to 31C. Divers and snorkellers may encounter mild currents, though strong currents and low visibility are potential hazards. The site is suitable for beginners and is supported by guided tours. As a reef environment, the area supports a variety of reef fish and invertebrates.

Kaca Island is a shallow marine dive site located in the Perhentian Islands, Malaysia. The site features a consistent depth of approximately 6 metres, making it suitable for shallow water activities. Water temperatures in the area typically range between 29C and 31C throughout the year. Due to the shallow nature of the site, it is accessible for divers and snorkellers looking for a relaxed experience in the region. Conditions at this location can vary, and visitors should plan their dives according to local maritime reports.

Pulau Segantang is a distinctive site featuring two rocky outcrops that descend into deep water, offering a topography of reefs, pinnacles, and walls. Located 10 kilometres from shore, this site requires boat access and is suited for intermediate divers. Depths range from 15 to 30 metres, with an average of 18 metres. Conditions include moderate currents and visibility ranging from 5 to 20 metres. Water temperatures remain consistent between 29 and 31 degrees Celsius throughout the year. Hazards include deep water, strong currents, low visibility, and sharp coral. Night diving is permitted at this location, and it is also suitable for snorkelling.